Menu
Search materials, applications, resources...
English Tiếng Việt
Contact / RFQ

Cross-Application Guide

Catalysis

Connect catalyst material choices to reaction environment, active phase, support behavior, and scale-up constraints.

Overview

Use this guide when catalyst selection depends on active metal chemistry, support stability, precursor choice, reaction exposure, or validation evidence.

This editorial guide connects several canonical applications and materials around a shared engineering problem. It is not a complete application category.

Choosing Additives / Materials

Selection Guide

Static Optical Control vs Stimulus-Responsive Switching: Defining the Correct Material Route

Choose passive optical control when one stable spectrum is sufficient; choose stimulus-responsive switching only when the system needs a reversible change between defined states and can tolerate trigger, hysteresis, cycle, control, and integration requirements. Static comparators include Antimony Tin Oxide (ATO), Cesium Tungsten Bronze (Cs0.33WO3), Titanium Oxynitride (TiON), and Zirconium Nitride (ZrN); Indium Tin Oxide (ITO) is an electrode candidate.

IR Shielding CoatingsSmart GlazingATOCs0.33WO3TiONNIR Shielding
Open guide
Selection Guide

Active Material vs Conductive Additive vs Catalyst Support: Defining the Material's Actual Job

Active Material vs Conductive Additive vs Catalyst Support: Defining the Material's Actual Job — a method-conditioned engineering guide for ESD Materials covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries.

ESD MaterialsEMI Shielding MaterialsATOMWCNTFWCNT DispersionESD Control
Open guide
Selection Guide

Bulk Additive vs Functional Coating vs Surface Treatment: Choosing System Placement

Bulk Additive vs Functional Coating vs Surface Treatment: Choosing System Placement — a method-conditioned engineering guide for Electronic Packaging & Interconnects covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries.

Electronic Packaging & InterconnectsIR Shielding CoatingsGraphene-CuSWCNT-nano-AgSWCNT-nano-CuMetal Contacts & Sintering
Open guide
Selection Guide

Bulk Composite vs Coating vs Film: Choosing Geometry Before Choosing a Material

Bulk Composite vs Coating vs Film: Choosing Geometry Before Choosing a Material — a method-conditioned engineering guide for Electronic Packaging & Interconnects covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries.

Electronic Packaging & InterconnectsIR Shielding CoatingsGraphene-CuSWCNT-nano-AgSWCNT-nano-CuMetal Contacts & Sintering
Open guide
Selection Guide

Free Dispersant vs Coupling Agent vs Surface Treatment: Choosing the Compatibility Strategy

Free Dispersant vs Coupling Agent vs Surface Treatment: Choosing the Compatibility Strategy — a method-conditioned engineering guide for Conductive Plastics & Coatings covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries.

Conductive Plastics & CoatingsHeat DissipationATOMWCNTFWCNT DispersionConductive Networks
Open guide

Mechanisms

Active Phase, Precursor, Promoter, and Support: Separating Material Roles in Catalyst DesignHow Ammonium Metavanadate and Vanadium Pentoxide Form Supported Vanadia Phases in SCR CatalystsHow Antimony, Copper, Vanadium, Carbon Nitride, and Supported-Catalyst Precursors Transform During ActivationHow Surface Area, Pore Structure, Crystallite Size, and Dispersion Control Accessible Active SitesHow Titania Phase, Surface Area, Pore Structure, and Promoters Control Vanadia Dispersion

Process Guides

Calcination, Reduction, Oxidation, and Atmosphere Control During Catalyst ActivationControlling Vanadium Loading, Support Penetration, and Coating Uniformity in SCR Catalyst ProductionDispersing Metal Powders While Controlling Oxidation, Reaction, and Galvanic ContaminationDissolution, Complexation, pH, and Impregnation Control for Vanadium SCR PrecursorsHow Drying and Calcination Reshape Vanadium Distribution and Active-Phase Structure

Troubleshooting

Alkali, Chloride, Sulfur, Heavy-Metal, and Insoluble-Residue Poisoning from Vanadium PrecursorsDiagnosing Low NOx Conversion, High Ammonia Slip, and Excess SO2 OxidationPoisoning, Fouling, Coking, Leaching, Volatilization, and Surface BlockingSeparating Intrinsic Catalyst Failure from Heat-Transfer and Mass-Transfer LimitationsSintering, Phase Change, Support Collapse, and Loss of Active-Site Dispersion

Validation

Characterizing Vanadium Precursor Assay, Solubility, Impurities, and Loading UniformityChoosing a Measurement Method Based on the Engineering Decision It Must SupportLinking XRD, Surface Area, Spectroscopy, Microscopy, and Chemistry to Catalytic PerformanceMeasuring Conversion, Selectivity, Yield, Rate, and Stability Under Defined Reactor ConditionsMeasuring SCR Conversion, Selectivity, Ammonia Slip, SO2/SO3 Behavior, and Aging Under Defined Gas Conditions

Qualification

Qualifying Vanadium SCR Precursor Lots with COA Limits, Catalyst Preparation, Activity, Aging, and Change ControlScaling Catalyst Materials with Activation, Reactor, Safety, Documentation, and Lot-Control BoundariesQualifying Smart-Glazing Materials for Outdoor Durability, Repeatability, and Scale-UpQualifying Vanadium Feedstocks with Electrolyte Conversion, Lot Control, Packaging, Safety, and Change ManagementQualifying Polyester Catalyst Materials for Dosing, Production Consistency, Compliance, and Change Control